mirror of
https://github.com/c64scene-ar/llvm-6502.git
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This patch modifies the existing DiagnosticInfo system to create a generic base class that is inherited to produce diagnostic-based warnings. This is used by the loop vectorizer to trigger a warning when vectorization is forced and fails. Several tests have been added to verify this behavior. Reviewed by: Arnold Schwaighofer git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213110 91177308-0d34-0410-b5e6-96231b3b80d8
102 lines
5.2 KiB
LLVM
102 lines
5.2 KiB
LLVM
; RUN: opt < %s -loop-vectorize -S 2>&1 | FileCheck %s
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; Verify warning is generated when vectorization/ interleaving is explicitly specified and fails to occur.
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; CHECK: warning: no_array_bounds.cpp:5:5: loop not vectorized: failed explicitly specified loop vectorization
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; CHECK: warning: no_array_bounds.cpp:10:5: loop not interleaved: failed explicitly specified loop interleaving
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; #pragma clang loop vectorize(enable)
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; for (int i = 0; i < number; i++) {
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; A[B[i]]++;
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; }
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; #pragma clang loop vectorize(disable) interleave(enable)
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; for (int i = 0; i < number; i++) {
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; B[A[i]]++;
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; }
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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; Function Attrs: nounwind ssp uwtable
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define void @_Z4testPiS_i(i32* nocapture %A, i32* nocapture %B, i32 %number) #0 {
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entry:
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%cmp25 = icmp sgt i32 %number, 0, !dbg !10
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br i1 %cmp25, label %for.body.preheader, label %for.end15, !dbg !10, !llvm.loop !12
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for.body.preheader: ; preds = %entry
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br label %for.body, !dbg !14
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for.cond5.preheader: ; preds = %for.body
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br i1 %cmp25, label %for.body7.preheader, label %for.end15, !dbg !16, !llvm.loop !18
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for.body7.preheader: ; preds = %for.cond5.preheader
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br label %for.body7, !dbg !20
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for.body: ; preds = %for.body.preheader, %for.body
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%indvars.iv27 = phi i64 [ %indvars.iv.next28, %for.body ], [ 0, %for.body.preheader ]
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%arrayidx = getelementptr inbounds i32* %B, i64 %indvars.iv27, !dbg !14
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%0 = load i32* %arrayidx, align 4, !dbg !14, !tbaa !22
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%idxprom1 = sext i32 %0 to i64, !dbg !14
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%arrayidx2 = getelementptr inbounds i32* %A, i64 %idxprom1, !dbg !14
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%1 = load i32* %arrayidx2, align 4, !dbg !14, !tbaa !22
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%inc = add nsw i32 %1, 1, !dbg !14
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store i32 %inc, i32* %arrayidx2, align 4, !dbg !14, !tbaa !22
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%indvars.iv.next28 = add nuw nsw i64 %indvars.iv27, 1, !dbg !10
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%lftr.wideiv29 = trunc i64 %indvars.iv.next28 to i32, !dbg !10
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%exitcond30 = icmp eq i32 %lftr.wideiv29, %number, !dbg !10
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br i1 %exitcond30, label %for.cond5.preheader, label %for.body, !dbg !10, !llvm.loop !12
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for.body7: ; preds = %for.body7.preheader, %for.body7
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.body7 ], [ 0, %for.body7.preheader ]
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%arrayidx9 = getelementptr inbounds i32* %A, i64 %indvars.iv, !dbg !20
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%2 = load i32* %arrayidx9, align 4, !dbg !20, !tbaa !22
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%idxprom10 = sext i32 %2 to i64, !dbg !20
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%arrayidx11 = getelementptr inbounds i32* %B, i64 %idxprom10, !dbg !20
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%3 = load i32* %arrayidx11, align 4, !dbg !20, !tbaa !22
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%inc12 = add nsw i32 %3, 1, !dbg !20
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store i32 %inc12, i32* %arrayidx11, align 4, !dbg !20, !tbaa !22
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !16
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !16
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%exitcond = icmp eq i32 %lftr.wideiv, %number, !dbg !16
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br i1 %exitcond, label %for.end15.loopexit, label %for.body7, !dbg !16, !llvm.loop !18
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for.end15.loopexit: ; preds = %for.body7
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br label %for.end15
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for.end15: ; preds = %for.end15.loopexit, %entry, %for.cond5.preheader
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ret void, !dbg !26
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}
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attributes #0 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!7, !8}
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!llvm.ident = !{!9}
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!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !"", i32 2}
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!1 = metadata !{metadata !"no_array_bounds.cpp", metadata !"."}
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!2 = metadata !{}
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!3 = metadata !{metadata !4}
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!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"test", metadata !"test", metadata !"", i32 1, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, void (i32*, i32*, i32)* @_Z4testPiS_i, null, null, metadata !2, i32 2}
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!5 = metadata !{i32 786473, metadata !1}
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!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !2, i32 0, null, null, null}
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!7 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
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!8 = metadata !{i32 2, metadata !"Debug Info Version", i32 1}
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!9 = metadata !{metadata !"clang version 3.5.0"}
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!10 = metadata !{i32 4, i32 8, metadata !11, null}
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!11 = metadata !{i32 786443, metadata !1, metadata !4, i32 4, i32 3, i32 0, i32 0}
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!12 = metadata !{metadata !12, metadata !13}
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!13 = metadata !{metadata !"llvm.loop.vectorize.enable", i1 true}
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!14 = metadata !{i32 5, i32 5, metadata !15, null}
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!15 = metadata !{i32 786443, metadata !1, metadata !11, i32 4, i32 36, i32 0, i32 1}
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!16 = metadata !{i32 9, i32 8, metadata !17, null}
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!17 = metadata !{i32 786443, metadata !1, metadata !4, i32 9, i32 3, i32 0, i32 2}
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!18 = metadata !{metadata !18, metadata !13, metadata !19}
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!19 = metadata !{metadata !"llvm.loop.vectorize.width", i32 1}
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!20 = metadata !{i32 10, i32 5, metadata !21, null}
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!21 = metadata !{i32 786443, metadata !1, metadata !17, i32 9, i32 36, i32 0, i32 3}
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!22 = metadata !{metadata !23, metadata !23, i64 0}
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!23 = metadata !{metadata !"int", metadata !24, i64 0}
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!24 = metadata !{metadata !"omnipotent char", metadata !25, i64 0}
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!25 = metadata !{metadata !"Simple C/C++ TBAA"}
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!26 = metadata !{i32 12, i32 1, metadata !4, null}
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